#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<cmath>
using namespace std;
inline void keep_window_open() {char ch; cin >> ch; }
int square(int i) {
return i*i;
}
int main()
{
int i=0;
while (i<100) {
  
  cout << i << "\t" << square(i) << "\n";
  ++i; 
  }
}
